L-haii



PATENTBD Amai, 1906.

f v. 1f /f/ f 'vf I H In.. E Y -uw BEST AVAILABLE COF` H. BQ-ULKHART. LOOSE LEAF BINDER. APPLIATloN FILED 4211.24. mmse the cylinder or nut K;

s ofthe holt S, and the lbolt is then-screwed against the back plate--BQas shownin' 5.

' It is the intention thatthe-' con-'tentsl .o'fthe' binder should' at no Atime.extend-beyond-thev thmbrest, 'thus leaving theA thumbr'est and 1o the lookin .mechanism'.Where' theymajr be 'easily reac ed. This location offthethumbment omy'inventiomt is-evi ent that other' forms are possible'and that :the relative po'f sitions 'of the various-"parts maybe va-negli without departing ro'm'thespintoffmy nf i l "bearing .onfthefinnerrarmipfsvel 25, vention. -'Iclaim In a loose-'leafwith two complementaryzverticallj-movable sections, of means forlo'cking Land -unlocldng lever operatively. mounted npoh'f o 'n'e'jof said sections andhavin an'operatiyelslidable en-v A gagement'withs nections-in enga ement w it1 1'= eac h other.'

`4 with two complementary 'verti'c said sections,4 saiglgmeansi'corq) igj-comv' happening fit1- mange,

a l ,Qoterarmofsaixdlevertei'mm t' binder, the-combination '6 omen-section andnfanged mpegs-ge gaia- BEST AVAILABLE COF" of said. sections, seitig-means a v 'said se f'with; two ri ht-a lcdjcom' lement f 51 tions: ad te .to :ilhve posts, ratchet`connectign$-$euri toth'sec- .tions,;a1 ever vadapted to enge saidratehet comdiens through-the me :Qf-gslbtfgedg;

eating on.; the innenarm11ofgsaidjtleyer, g the' :do l'Outer armofsaidever terminating-iliade 'Y Wardly andiatrlly. ietingfigl 'springfcmiedbysai daverend-un agrs est-tension when s'aigtlfv :sectiox'ijs v closed conne'cths through the Inednmof 01.1 the-innerfarm Q ffsm leveriethe 'fotei armof vs aid"Il aver. terminatingmadown- We'rglyfand laterally! projecting and a flo sienes a threads cylinder and a'screw-bolt adapted to engage therewith.

1 l. In a loose-leaf binder, the combination with two complementary sections arranged` A to move vertically, of binder-posts, means for controlling the movement. of said sections,

. said meanscomprising a ratchet connection .and a lever, and means carried by said lever for locking said controlling means, compristhreaded cylinder and a screw-bolt having an angular head adaptedto engage therevn l In a loose-leaf binder, the combination Witlv. two complementary 'sections arranged to move vertically, of binder-posts, means for controlling the movement of said sections, said means comprising a ratchet connection and a leverrand means carried by said lever for locking said controlling means, com rising a threaded cylinder and a screw-bolt av# ing an angular head and adapted to be brought into contact with the back of one of said sections. 13. vIn a binder, the combination with two complementary sections movable vertically, of a slotted carrier-boxy attached to the upper member and carrying an engaging ratchet adapted to engage a rack secured to the lower member; a lever pivotally secured to the lower member, one arm of said lever entering said carrier-box and engaging said engaging ratchet, the other arm of said lever being provided with a downwardly and latere ally projecting-delige, a spring arranged to engage said lever so as to be under greatest tension when the. binder is closed, a platespring interposed between said lever and the back of said bottom section, and a locking mechanism mounted upon said lever.

14, The combination with two clamping members, of coengaging guiding means upon said members, a ratchet vcarried by one of said members, a lever arranged to roel: vertically and laterally upon the other, of said BEST AVAILABLE COP` ,a

said lever so as to normally hold said pawl in engagement-with said ratchet.

15. The combination with two clamping members, of coengaging guiding means 'upon said members, complementary ratchetscarried by said members, and a lever having one arm in operative engagement with one of said ratchets, said lever being pivotally mounted upon the clamping member carrying the other of said ratchets, constructed and armembers, a pawl operatively connected with one arm of said lever, and a spring engaging ranged' so that the depression of the other arm of said lever will move the lever-arm in engagement with said ratchet laterally so as to disengage said ratchets from each other and verticallyso asto move said clamping members out of clamping position, and a spring engaging said lever so as to normally holld said ratchets in engagement with each ot er."

16.'A loose-leaf binder comprising twov ved and -arranged so thata downward pressure upon said flange will throw said ratchet connections out of engagement and will carry said coniplemeilitary sections apart from each other.

HENRY B. BURCKHART.

i Witnesses:

F. H. DRU'RY, M. E. SHiELnsg 

